.swiper{
  width: 500px;
  height: 300px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.imgList{
  width: 100%;
  height: 100%;
  position: relative;
}

.imgList .imgItem{
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 1;
  transition: all .5s;
}

.imgList .imgItem img,.imgList .imgItem video{
  width: 100%;
  height: 100%;
}

.swiperBtn .leftBtn,.swiperBtn .rightBtn{
  width: 50px;
  height: 50px;
  background-size: 100% 100%;
  z-index: 100;
}
.leftBtn{
  background-image: url(../imgs/left.svg);
  position: absolute;
  left: 50px;
  top: calc(50% - 25px);
}
.rightBtn{
  background-image: url(../imgs/right.svg);
  position: absolute;
  right: 50px;
  top: calc(50% - 25px);
}
.leftBtn .icon{
	width: 50px;
	height: 50px;
}

.circleList{
  position: absolute;
  width: 200px;
  height: 50px;
  z-index: 100;
  left: calc(50% - 100px);
  bottom: 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circleList .circle{
  width: 6px;
  height: 6px;
  border: 2px solid #999;
  border-radius: 5px;
  margin: 0 5px;
}
.circleList .circle.active{
	border: 2px solid #999;
	background-color: #eee;
}

.imgList .imgItem.leftActive{
	animation: leftActive .5s linear forwards;
	z-index: 10;
}
@keyframes leftActive {
	from{
		transform: translateX(-100%);
	}
	to{
		transform: translateX(0%);
	}
}

.imgList .imgItem.leftBefore{
	animation: leftBefore .5s linear forwards;
	z-index: 10;
}
@keyframes leftBefore {
	from{
		transform: translateX(0%);
	}
	to{
		transform: translateX(100%);
	}
}


.imgList .imgItem.rightActive{
	animation: rightActive .5s linear forwards;
	z-index: 10;
}
@keyframes rightActive {
	from{
		transform: translateX(100%);
	}
	to{
		transform: translateX(0%);
	}
}

.imgList .imgItem.rightBefore{
	animation: rightBefore .5s linear forwards;
	z-index: 10;
}
@keyframes rightBefore {
	from{
		transform: translateX(0%);
	}
	to{
		transform: translateX(-100%);
	}
}